SIV Biome Balancing Serum

Introducing the SIV Biome-Balancing Serum—an innovative, spore-based formula designed to work with your skin’s natural biology. The Spore-Based Biome Balancing Serum is a topical formula that adapts to your unique skin microbiome, establishing a healthy skin foundation through quorum-sensing technology.

This personalized approach to skincare harnesses your biology to support and strengthen your skin’s ecosystem at its foundation, helping to build resilience and maintain a balanced skin microbiome. This serum is your go-to solution for hydrating, calming and soothing sensitive or irritated skin.

*A Skin By Brynn favorite for acne, dermatitis, eczema, psoriasis, and other skin rashes. Safe for all skin types and all ages!